* {
    margin: 0;
    padding: 0;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
}

.common {
    width: 1200px;
    height: 100%;
    margin: auto;
}

.head {
    width: 100%;
    height: 35px;
    background-color: #f5f5f5;
}

.head a{
    font-size: 16px;
    color: #333;
    line-height: 35px;
    margin-left: 90px;
}

.middle {
    width: 600px;
    height: 300px;
    border: 1px solid #999;
    margin: 50px auto;
}

.middle form table {
    margin: 20px auto;
}

.middle form table td {
    font-size: 20px;
    height: 40px;

}

.middle form table .w2 {
    letter-spacing: 60px;
}

.middle form table .w3 {
    letter-spacing: 20px;
}

.foot {
    width: 100%;
    height: 63px;
    background-color: white;
}

.foot ul {
    padding-top: 5px;
}

.foot ul li {
    float: left;
}

.foot ul li a {
    color: #6c6c6c;
    font-size: 12px;
    padding: 5px;
}

.foot ul li b {
    color: #ddd;
}

.foot p {
    padding-top: 5px;
}

.foot p span {
    color: #6c6c6c;
    font-size: 12px;
    padding: 5px;
}

.foot p b {
    color: #ddd;
}